99702205250 has 16 divisors (see below), whose sum is σ = 186642528696. Its totient is φ = 39880882000.

The previous prime is 99702205237. The next prime is 99702205271. The reversal of 99702205250 is 5250220799.

It can be written as a sum of positive squares in 4 ways, for example, as 66982098481 + 32720106769 = 258809^2 + 180887^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99702205198 and 99702205207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199404161 + ... + 199404660.

Almost surely, 2^99702205250 is an apocalyptic number.

99702205250 is a deficient number, since it is larger than the sum of its proper divisors (86940323446).

99702205250 is a wasteful number, since it uses less digits than its factorization.

99702205250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398808838 (or 398808828 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 99702205250 in words is "ninety-nine billion, seven hundred two million, two hundred five thousand, two hundred fifty".